How to add a public cloud network physical host to VPC

Abstract

The invention relates to the field of cloud computing and computer network, and specifically provides a method for a public cloud network physical host to join a VPC. The method connects the physical host to a ToR switch through a vlan, and the ToR of the physical host supports vxlan and multicast, and extends neutron Add the plugin and agent of the l2 gateway in the neutron server and expand the function of the generic network switch plugin, and configure the vlan and vni mapping of the ToR switch where the physical host is located, and add the agent extension of the l2 gateway in the openvswitch agent , the user manages virtual bridges and ovs flow tables. Compared with the prior art, the physical host and the virtual machine in the VPC can use the VPC intranet address to realize Layer 2 and Layer 3 interworking, realize the unified management of the virtual machine and the physical host, and have good promotion value.

Description

technical field [0001] The invention relates to the fields of cloud computing and computer networks, and specifically provides a method for a public cloud network physical host to join a VPC. Background technique [0002] Openstack, as a mainstream product of open source Iaas cloud computing, has received widespread attention and general welcome from the industry, especially in recent years, the Openstack open source community and the commercialization of Openstack related products have achieved rapid development, but Openstack has As a public cloud IaaS platform operating system, there are still many functions to be expanded, such as supporting physical hosts to join VPC. [0003] When Openstack is used as the public cloud Iaas platform operating system, in order to ensure the robustness and performance of network L3 traffic, it usually turns on the dvr (distributed virtual routing) mode in its network component neutron. In the dvr mode, the virtual router exists on the co...

AI Technical Summary

Problems solved by technology

[0004] The feature of Neutron's dvr mode brings challenges to the design of many network solutions based on neutron. For example, if a physical host joins a VPC, due to the distributed routing of L3 traffic, there is no centralized control point. For a physical host, its Layer 3 gateway cannot directly Multiplex the virtual router on the computing node, because there are multiple identical virtual routers on the computing node, direct multiplexing will cause address conflicts and services will be unavailable

[0005] The industry generally adopts two methods to solve the interworking between the physical host and the virtual machine in the VPC. One method is the routing mode interworking, that is, the physical host and the virtual machine network are associated through the gateway, and the routing layer interworking is realized by configuring the forwarding policy. The disadvantage of this solution is that the physical host cannot be in the same layer 2 domain as the virtual machine in the VPC. From the perspective of public cloud products, resource usage is not uniform, and it is not conducive to business migration

[0006] Another method is to use vxlan-supporting hardware switches and evpn technology to realize the large-scale two-layer intercommunication between the vxlan network of the virtual machine and the physical host. The vtep of OpenStack is supported by hardware, and the ToR (Top of Rack) switch of the physical host is also supported. Need to support vxlan and evpn, use sdn controller or independently developed control plane management tool to realize the control plane function of evpn, the disadvantage of this method is that it needs hardware support, lacks flexibility, and sdn controller needs to take over the virtualization of OpenStack Network management, its stability, robustness and performance are all facing challenges

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